Top Definition
Noobs in Modern Warfare 2 who try to boost, and epically fail.
"These guys don't even have silencers, the are such noob boosters."
by LilithTheWhore May 21, 2010
Noobs who try to raise their stats and levels by boosting in 1 on 1 matches. They also flat out suck and are nerds, who focus on getting achievements more than playing the game.
"Hey Larry, I think that guy in game chat called us Noob Boosters? What does that mean?"
"He's just jealous because we have sweet stats and are fifth prestige, even though our KDR is .03."
by NoobBoosterKillah November 12, 2011
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